H. rubra may refer to: Haliotis rubra, the blacklip abalone, a large edible sea snail species Halocaridina rubra, the ōpae ula in Hawaiian, a small shrimp species Hypotrix rubra, a moth species found from south-western New Mexico and south-eastern Arizona Hyunsoonleella rubra, a marine bacterium See also Rubra (disambiguation)